December weather forecast and Climate
Geelong, Australia AU

• The average high temperature in December: 22.6°C

The warmest month (with the highest average high temperature) is February (24.8°C).
The month with the lowest average high temperature is July (13.9°C).

• The average low temperature in December: 11°C

The month with the highest average low temperature is February (13.5°C).
The coldest month (with the lowest average low temperature) is July (5.4°C).

• The average humidity in December: 55%

The month with the highest relative humidity is June (70%).
The month with the lowest relative humidity is March (54%).

• The average rainfall in December: 40.9mm

The wettest month (with the highest rainfall) is November (51.4mm).
The driest month (with the lowest rainfall) is February (29.7mm).

• The average rainfall days in December: 5.4 days

The month with the highest number of rainy days is July (10 days).
The month with the lowest number of rainy days is February (3.1 days).

• The average sea temperature in December: 16°C

Best months for swimming (with the highest average sea temperature) are February and March (18°C).
Coldest months (with the lowest average sea temperature) are July, August and September (13°C).

• The average daylight in December: 15h

The month with the longest days is December (Average daylight: 15h).
Months with shortest days are May, June and July (Average daylight: 10h).

• The average sunshine in December: 8h

The month with most sunshine is January (Average sunshine: 9h).
Months with least sunshine are May, June and July (Average sunshine: 4).

• The average UV index in December: 11

The month with the highest UV index is January (UV index 12).
Months with the lowest UV index are June and July (UV index 2).